1.scan automatically zero-pressure start 2.double voltage and currency closed loop feedback system 3.rigorous protecions 1)Medium Frequency Induction Furnace for melting 2)Full digital control system with high accuracy 3) Melting steel, iron,stainless steel,copper,aluminium 4)0.15-20 tons capacity 5) Constant power output, speedy melting, good electricity saving efficiency. Furnace ModelRated ...